Home / 15,986.76-23,982.75-4,890.84

Finding the Fourth Proportional to 15,986.76, 23,982.75 and 4,890.84

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Solution

The fourth proportional to 15,986.76, 23,982.75 and 4,890.84 is: 7,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.76 : 23,982.75 = 4,890.84 : x
  2. Step 2: Convert to fraction form
    15,986.76/23,982.75 = 4,890.84/x
  3. Step 3: Cross multiply
    15,986.76x = 23,982.75 × 4,890.84
  4. Step 4: Simplify right side
    15,986.76x = 117,295,793.01
  5. Step 5: Solve for x
    x = 117,295,793.01/15,986.76
  6. Step 6: Final answer
    x = 7,337.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.